Backup and Restore

Question 1

What does backup types mean?

Answer 1

It specifies which data to preserve based on the archive bit, start with a full backup and then be mindful of backup time vs restore time

Question 2

Full backup means?

Answer 2

All data backed up, but archive bits are cleared, and you only need one tape from the previous day to restore, but it is costly

Question 3

differential backup means

Answer 3

This is a backup of the prior week, then any new changes which creates archive bits is saved and backups and this happens everyday

Question 4

Incremental backup

Answer 4

an incremental backup is one in which successive copies of the data contain only the portion that has changed since the preceding backup copy was made

Question 5

What is a image?

Answer 5

It is a bit by bit copy of the operating system, applications, and configurations

Question 6

What is a snapshot?

Answer 6

This is a point in time copy that reverts to a known state, used in virtual machines and servers